This name is a synonym of Gomphocarpus fruticosus (L.) W.T.Aiton.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 12947) with original publication details: Hist. & Commentat. Acad. Elect. Sci. Theod.-Palat. 6: 406 1790.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77247-1.
This name was in version 1 of The Plant List, record kew-12947.